#include<stdio.h>
#include<stdlib.h>

int data1;
int data2=100;
int main()
{
  const char* ch="hello world";
  char* ch2=(char*)malloc(10);
  int a = 18;
  printf("%p\n",main);
  printf("%p\n",ch);
  printf("%p\n",&data1);
  printf("%p\n",&data2);
  printf("%p\n",ch2);
  printf("%p\n",&a);

  return 0;
}
